329818890165 has 32 divisors (see below), whose sum is σ = 538999971840. Its totient is φ = 172141018944.

The previous prime is 329818890161. The next prime is 329818890187. The reversal of 329818890165 is 561098818923.

It is not a de Polignac number, because 329818890165 - 2² = 329818890161 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 329818890099 and 329818890108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (329818890161) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7690612 + ... + 7733378.

It is an arithmetic number, because the mean of its divisors is an integer number (16843749120).

Almost surely, 2^329818890165 is an apocalyptic number.

It is an amenable number.

329818890165 is a deficient number, since it is larger than the sum of its proper divisors (209181081675).

329818890165 is a wasteful number, since it uses less digits than its factorization.

329818890165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53761.

The product of its (nonzero) digits is 7464960, while the sum is 60.

The spelling of 329818890165 in words is "three hundred twenty-nine billion, eight hundred eighteen million, eight hundred ninety thousand, one hundred sixty-five".